Feed Notifier is an application for Windows and Mac OS X that resides in the system tray or status bar and displays pop-up notifications on your desktop when new items arrive in your subscribed RSS or Atom feeds. By default, the pop-ups look like this (on Windows)…

Feed Notifier is for you if you want a news aggregator that focuses on real-time feed notifications and leaves out all the other stuff that comes with most news readers.

Main Features:

Supports all common RSS and Atom web feed protocols.

Clean look and feel, doesn’t get in your way.

Configurable polling interval for each feed.

Configurable popup duration.

Configurable popup size, position and transparency.

Configurable popup border size and color.

Popups do not steal keyboard or mouse focus from other applications.

Popups show item age and author.

Navigation controls in popups to view next/previous items.

Advanced keyword filtering options.

Supports launching from Firefox and other browsers via feed:// protocol.